for the synthesis of cationic nitric dyes" 1984 – "Theoretical aspects regarding the lubricating process and the adequate chemical products" 1985 – "Research works regarding the synthesis of certain dyes based on 2-chloro-5 methyl-1,4 phenylendiamine" 1985 – "Rheological study of agglutinate pastes APO-3" 1985 – "Compounds based on polyalkylethers and fatty acids with textile auxiliary effects" 1986 – "New contributions of the Textile Research Institute brought in the field of synthesis of chemical additives and the production for the textile industry" 1986 – "Agglutinants based on chemically modified starch" 1986 – "Chemical products for the protection of the textiles made of 100% wool against moths" 1986 – "Contributions of the Textile Research Institute to the research and production of chemical additives" 1992 – "Synthesis and application of certain anthraquinonic dyes" 1995 – "Synthesis and application of certain pyrasolonesulphonamidic dyes" Patents (excerpt) He is the author of the following patents: 1979 – "Process for obtaining a product based on modified starch for the textile printing pastes" 1981 – "Process for obtaining a washable adhesive for the textile industry" 1982 – "Process of preparing an agglutinant" 1983 – "Process for obtaining the starch acetate" 1985 – "Oiling product for the textile fibers and its obtaining process" 1985 – "Process for the treatment of viscose fibers" 1985 – "Process for the treatment of the materials made of 100% synthetic fibers" 1985 – "Synergic composition for the washing of raw wool" 1986 – "Agent for the treatment of polyester and the process of its obtaining" 1986 – Agent pentru tratarea poliesterului și procedeu pentru obținerea acestuia. Books "Elements de chemie industrielle inorganique" – Authors: Prof.dr.eng.Eugen Pincovschi; Dr.eng. Dan Ioan Popescu; Publishing house: ARS DOCENDI - year 2004 "Romania- The environment and the electric network of transport" - Geographic book; Publishing house: ACADEMIEI - year 2002 (Dan Ioan Popescu was a member of the Committee of Coordination of the book) "Romania- The soil quality and the electric network of transport" - Geographic book; Publishing house: ACADEMIEI - year 2004 (Dan Ioan Popescu was a member of the Committee of Coordination of the book) "Strategy of sustainable development in a society based on knowledge" Authors: Dr.eng. Dan Ioan Popescu, Prof. Aurelia Meghea, Prof.dr.eng. Eugen Pincovschi Professional activity and experience After he graduated the courses of the Faculty of Industrial Chemistry, Dan Ioan Popescu remained in the County of Prahova where he worked first as an engineer